42574040 has 32 divisors (see below), whose sum is σ = 96876000. Its totient is φ = 16836864.

The previous prime is 42574039. The next prime is 42574061. The reversal of 42574040 is 4047524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420 + ... + 9539.

It is an arithmetic number, because the mean of its divisors is an integer number (3027375).

Almost surely, 2^42574040 is an apocalyptic number.

42574040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42574040 is an abundant number, since it is smaller than the sum of its proper divisors (54301960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42574040 is a wasteful number, since it uses less digits than its factorization.

42574040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059 (or 12055 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 42574040 is about 6524.8785429309. The cubic root of 42574040 is about 349.1791375433.

The spelling of 42574040 in words is "forty-two million, five hundred seventy-four thousand, forty".